Question usb c to DP cable not working

Aug 28, 2021
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so i bought a 144hz monitor (vg248) for my acer nitro 5 an515-52 laptop that only has a hdmi and usb c so i got a usb c to DP in order to get 144hz but my cable doesnt work and jus says display port no signal whenever i switch my monitors input
any ideas
 

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